Home / 165,861.95-248,428.25-137,072.62

Finding the Fourth Proportional to 165,861.95, 248,428.25 and 137,072.62

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Solution

The fourth proportional to 165,861.95, 248,428.25 and 137,072.62 is: 205,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,861.95 : 248,428.25 = 137,072.62 : x
  2. Step 2: Convert to fraction form
    165,861.95/248,428.25 = 137,072.62/x
  3. Step 3: Cross multiply
    165,861.95x = 248,428.25 × 137,072.62
  4. Step 4: Simplify right side
    165,861.95x = 34,052,709,182.01
  5. Step 5: Solve for x
    x = 34,052,709,182.01/165,861.95
  6. Step 6: Final answer
    x = 205,307.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.